Synchronous Buck Dr.MOS Power Stage

General Description The RT9680A is a high efficiency synchronous buck power stage module consisting of two asymmetrical MOSFETs and an integrated driver. The MOSFETs are individually optimized for operation in the synchronous buck configuration. The high-side MOSFET has low capacitance and g

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丝印：93；Package：UQFN-11HL；Synchronous Buck Dr.MOS Power Stage

General Description The RT9680A is a high efficiency synchronous buck power stage module consisting of two asymmetrical MOSFETs and an integrated driver. The MOSFETs are individually optimized for operation in the synchronous buck configuration. The high-side MOSFET has low capacitance and g

文件：373.89 Kbytes 页数：15 Pages

RichTek

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Synchronous Buck Dr.MOS Power Stage

RT9680A/B是高效同步Buck转换器的功率级组件，内部包含两只不对称的MOSFET和一个驱动器，其设计针对同步Buck转换器应用进行了优化，上桥MOSFET电容小、栅极充电电荷少，开关速度快，符合低占空比应用的需求；下桥MOSFET具备超低R_DS(ON)特性，可最小化导通损耗。RT9680A/B还有众多的特性使其成为用途广泛的功率模组，它的驱动器中包含有自举二极管；下桥MOSFET可被驱动于二极管仿真模式，可在轻载情形下以异步模式工作，使轻载工作效率得到明显改善；它的引脚布置经过特别优化，电流路径感抗低，寄生参数及其影响均被最小化。\n\nRT9680A/B的封装形 • 工作频率最高达1MHz\n• 针对5V PWM信号的型号为RT9680A\n• 针对3V PWM信号的型号为RT9680B\n• 输入电压最高达23V\n• 有过热保护\n• 最大持续负载电流达8A\n• 低静态耗电\n• 支持三态PWM输入\n• 集成自举二极管\n• 使用高功率密度的UQFN-11HL 3x3 (FC) 封装;

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